TRIPOLI (Reuters) - The former Libyan intelligence officer convicted of the 1988 bombing of a Pan Am flight over Lockerbie, Scotland that killed 270 people has died, his brother said on Sunday. Abdel Basset al-Megrahi, released from a Scottish prison in 2009 and returned to Libya because he was suffering from terminal cancer, had been in and out of hospital for weeks and was taken for an emergency blood transfusion in April. Megrahi's health had deteriorated quickly overnight, his brother Abdulhakim told Reuters. "He was surrounded by his family and died in his house," he said. He was 60. ...

Protesters gathering in Chicago for the NATO summit were gearing up for their largest demonstration Sunday, when thousands are expected to march from a downtown park to the lakeside convention center where President Barack Obama and dozens of other world leaders will meet.

Protesters gathering in Chicago for the NATO summit were gearing up for their largest demonstration Sunday, when thousands are expected to march from a downtown park to the lakeside convention center where President Barack Obama and dozens of other world leaders will meet.

Protesters gathering in Chicago for the NATO summit were gearing up for their largest demonstration Sunday, when thousands are expected to march from a downtown park to the lakeside convention center where President Barack Obama and dozens of other world leaders will meet.

Massachusetts Republicans Mitt Romney and Scott Brown have a history of supporting each other throughout their political careers.

Tropical Storm Alberto emerged off South Carolina's coastline Sunday, the first storm of its kind to form in a hurricane season that doesn't officially begin until June 1.

WASHINGTON (Reuters) - If or when policymakers finally decide Greece should leave the euro, the exit could happen so quickly that "new drachma" currency notes might not be printed in time. In principle, some of the long-term consequences of Athens leaving the currency bloc are not unappealing. The euro zone would no longer have to worry about what has always been its weakest link. While a new Greek currency would almost certainly immediately crash in value as soon as it was issued, in doing so it would make the Greek economy much more competitive. ...

After 50 years of searching, physicists have spotted the fingerprint of radioactive plutonium, revealing the secrets of this complex molecule behind nuclear weapons.

A roadside bomb exploded in a restive suburb of the Syrian capital as senior U.N. officials toured the area on Sunday, blowing off the front of a parked vehicle but causing no casualties.

Twenty-two states and the District of Columbia are backing Montana in its fight to prevent the U.S. Supreme Court's 2010 Citizens United decision from being used to strike down state laws restricting corporate campaign spending.

Twenty-two states and the District of Columbia are backing Montana in its fight to prevent the U.S. Supreme Court's 2010 Citizens United decision from being used to strike down state laws restricting corporate campaign spending.

Twenty-two states and the District of Columbia are backing Montana in its fight to prevent the U.S. Supreme Court's 2010 Citizens United decision from being used to strike down state laws restricting corporate ...

World leaders weary of war will tackle Afghanistan's post-conflict future — from funding for security forces to upcoming elections — when the NATO summit opens Sunday.

World leaders weary of war will tackle Afghanistan's post-conflict future — from funding for security forces to upcoming elections — when the NATO summit opens Sunday.

House Democratic Leader Nancy Pelosi defended the Democratic Congressional Campaign Committee on "This Week" for sending a fundraising email that attempted to capitalize on the apparently dead advertising plan to link President Obama to Rev. Jeremiah Wright.

One of the worst quakes to hit northeast Italy in hundreds of years rattled the region around Bologna early Sunday, killing at least four people, collapsing factories and sending residents running out into the streets, emergency services said.

One of the worst quakes to hit northeast Italy in hundreds of years rattled the region around Bologna early Sunday, killing at least four people, collapsing factories and sending residents running out into the streets, emergency services said.

One of the worst quakes to hit northeast Italy in hundreds of years rattled the region around Bologna early Sunday, killing at least four people, collapsing factories and sending residents running out into the streets, emergency services said.

House Speaker John Boehner, R-Ohio, stood by his call insisting that any increase in the debt limit should be offset by greater cuts in spending and tax reform before the end of the year, saying that working toward an agreement now would improve the economy.

A blind Chinese legal activist who escaped house arrest, endured a nearly monthlong diplomatic tussle and a hurried daylong flight paused ever so briefly upon his arrival in New York City before taking up a familiar fight.

A blind Chinese legal activist who escaped house arrest, endured a nearly monthlong diplomatic tussle and a hurried daylong flight paused ever so briefly upon his arrival in New York City before taking up a familiar fight.

A blind Chinese legal activist who escaped house arrest, endured a nearly monthlong diplomatic tussle and a hurried daylong flight paused ever so briefly upon his arrival in New York City before taking up a familiar fight.

For Facebook founder and CEO Mark Zuckerberg, it was quite a week — from birthday, to IPO, to I DO.

For Facebook founder and CEO Mark Zuckerberg, it was quite a week — from birthday, to IPO, to I DO.

Kristen Wiig got a musical sendoff on the season finale of "Saturday Night Live" as the popular and versatile cast member made her exit after seven years.

Kristen Wiig got a musical sendoff on the season finale of "Saturday Night Live" as the popular and versatile cast member made her exit after seven years.

Kristen Wiig got a musical sendoff on the season finale of "Saturday Night Live" as the popular and versatile cast member made her exit after seven years.

Confronting an economic crisis that threatens them all, President Barack Obama and leaders of other world powers on Saturday declared that their governments must both spark growth and cut the debt that has crippled the European continent and put investors worldwide on edge.

Confronting an economic crisis that threatens them all, President Barack Obama and leaders of other world powers on Saturday declared that their governments must both spark growth and cut the debt that has crippled the European continent and put investors worldwide on edge.

Confronting an economic crisis that threatens them all, President Barack Obama and leaders of other world powers on Saturday declared that their governments must both spark growth and cut the debt that has crippled the European continent and put investors worldwide on edge.

but fallen short in the Belmont Stakes. I'll Have Another will try to snap that streak on June 9.

but fallen short in the Belmont Stakes. I'll Have Another will try to snap that streak on June 9.